.start {
  width: 50%;
  height: 200px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.start .btnStart {
  width: 100%;
  height: 100%;
  display: flex;
}
.start .btnStart img {
  display: block;
  width: 200px;
  justify-content: center;
  align-items: center;
}
